Tie-down device



FIG. 1 is a top plan view of a tie-down device showing my new design and having a circular base;

FIG. 2 is a right side elevational view thereof, the opposite side being a mirror image of the side shown;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top plan view of a second embodiment of FIG. 1, the base being rectangular;

FIG. 5 is a right side elevational view thereof, the opposite side being a mirror image of the side shown; and

FIG. 6 is a bottom perspective view thereof. 

The ornamental design for a tie-down device, substantially as shown and described. 